VintaSoft Twain .NET SDK 15.1: Documentation for Web developer
Vintasoft.Twain Namespace / WebTwainDeviceJS type / set_Threshold Property
Syntax Exceptions Remarks BrowserCompatibility SeeAlso
In This Topic
    set_Threshold Method
    In This Topic
    Sets threshold of black-white images for current scan session.
    Syntax
    var instance = new Vintasoft.Twain.WebTwainDeviceJS(deviceName, productFamily, manufacturer, driverVersion, twainVersion, deviceManager, is64Bit);
    
    var returnValue; // Type: any
    
    // Parameters
    var value; // Type: number
    
    returnValue = instance.set_Threshold(value);
    
    
    function set_Threshold(
    value
    A threshold for black-white images.
    : number
    ) : any;

    Parameters

    value
    A threshold for black-white images.
    Exceptions
    ExceptionDescription
    Thrown if device is not opened OR error occurs during setting value of device capability.
    Remarks

    This property sends a synchronous request to set value of WebDeviceCapabilityIdEnumJS.IThreshold capability. If you want to use asynchronous request instead of synchronous request, please set value of WebDeviceCapabilityIdEnumJS.IThreshold capability using WebTwainDeviceJS.setCapabilityAsync or WebTwainDeviceJS.setCapabilitiesAsync function.

    Browser Compatibility
    9
    See Also